Home / 1,365,262.38-1,884,048.93-753,420.78

Finding the Fourth Proportional to 1,365,262.38, 1,884,048.93 and 753,420.78

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Solution

The fourth proportional to 1,365,262.38, 1,884,048.93 and 753,420.78 is: 1,039,713.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,262.38 : 1,884,048.93 = 753,420.78 : x
  2. Step 2: Convert to fraction form
    1,365,262.38/1,884,048.93 = 753,420.78/x
  3. Step 3: Cross multiply
    1,365,262.38x = 1,884,048.93 × 753,420.78
  4. Step 4: Simplify right side
    1,365,262.38x = 1,419,481,614,398.77
  5. Step 5: Solve for x
    x = 1,419,481,614,398.77/1,365,262.38
  6. Step 6: Final answer
    x = 1,039,713.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.